Two things to check:
https://support.chess.com/customer/en/portal/articles/1444918-my-internet-connection-is-fine---why-am-i-getting-disconnects-
and
https://www.chess.com/blog/News/how-to-adjust-your-live-chess-connection
Might help out some.
Connection problem.
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Mar 30, 2017
0
#2
Has anybody else had this problem. As soon as I press play to find an opponent in a 30 minute live game my connection drops to zero or just above and it nearly always disconnects during the game. Live games are what I really enjoy but I've had to stop . The engineer has been and tested the line and can't find a fault.